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  <title>Set cache control</title>

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 <div class="refnamediv">
  <h1 class="refname">HttpResponse::setCacheControl</h1>
  <p class="verinfo">(PECL pecl_http &gt;= 0.10.0)</p><p class="refpurpose"><span class="refname">HttpResponse::setCacheControl</span> &mdash; <span class="dc-title">Set cache control</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-httpresponse.setcachecontrol-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">static</span>
   <span class="type">bool</span> <span class="methodname"><strong>HttpResponse::setCacheControl</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$control</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$max_age</code><span class="initializer"> = 0</span></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$must_revalidate</code><span class="initializer"> = true</span></span>
  ]] )</div>

  <p class="para rdfs-comment">
   Define a custom <em>Cache-Control</em> header, usually being <em class="emphasis">private</em> or <em class="emphasis">public</em>;
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-httpresponse.setcachecontrol-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">control</code></em></dt>

     <dd>

      <p class="para">
       the primary cache control setting
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">max_age</code></em></dt>

     <dd>

      <p class="para">
       the max-age in seconds, suggesting how long the cache entry is valid on the client side
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">must_revalidate</code></em></dt>

     <dd>

      <p class="para">
       whether the cached entity should be revalidated by the client for every request
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-httpresponse.setcachecontrol-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> on success, or <strong><code>FALSE</code></strong> if control does not match one of <em class="emphasis">public</em>, <em class="emphasis">private</em> or <em class="emphasis">no-cache</em>.
  </p>
 </div>




 


 


 <div class="refsect1 seealso" id="refsect1-httpresponse.setcachecontrol-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="httpresponse.getcachecontrol.html" class="function" rel="rdfs-seeAlso">HttpResponse::getCacheControl()</a> - Get cache control</span></li>
    <li class="member"><span class="function"><a href="httpresponse.setcache.html" class="function" rel="rdfs-seeAlso">HttpResponse::setCache()</a> - Set cache</span></li>
    <li class="member"><span class="function"><a href="httpresponse.getcache.html" class="function" rel="rdfs-seeAlso">HttpResponse::getCache()</a> - Get cache</span></li>
   </ul>
  </p>
 </div>



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